---
title: "Nightlock — $35K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/nightlock"
last_updated: "2026-08-08T22:06:33.530Z"
locale: en
meta:
description: "Niche score 29/100 · $35K/yr market · 42K searches/yr · $24.81 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 29/100 · $35K/yr market · 42K searches/yr · $24.81 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Nightlock — $35K/yr Amazon US Niche (2026) - Flapen"
---
# **nightlock**
**Skip it**
Soft demand (-33.3% this quarter) — this niche doesn't clear our bar today.
Market size 9Growth 8Conversion 42Competition 15Returns 25Price range 83Avg price 95Brand share 32Review moat 47Quality gap 30
**Avg price**
**Incredible****$24.81**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.00–$43.35**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****1,760.7**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****3.4%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Returns**
**Bad****5.1%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****82%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$35K**
$35K/yr · 42K searches
**Growth**
**Bad****-33.3%**
90-day search growth — must beat 0% to launch
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, nightlock is a $35K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 29/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nightlock market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$25K–$31K**
- units × avg price
- **Conversion rate**
- **3.4%**
- **Avg BSR**
- **#629**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **80%**
- **Out of stock**
- **22.3%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **190 days**
## **Competition & brand share**
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**12**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**82%**
Top 20: 100%
**Open market**
**9%**
- FLYINGAMZ52% - JXQAZC13% - Yaocom8% - LEVENDOR7% - Steinwhale6% - EverPlus5% - Open — no brand owns it (3 brands, 9%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -33.3% search growth over the last 90 days.
3K2KSpike '24Spike '25Prime Day '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct · busiest ÷ quietest = 3.1×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/nightlock/trend)
## **Top nightlock search terms**
- **nightlock**12K/yr-19.9%2.1% conv. - **nightlock door barricade**9K/yr-34.4%1.8% conv. - **night lock**7K/yr-19.4%2.2% conv. - **night lock door barricade**6K/yr-52.0%1.5% conv. - **haven door lock**5K/yr-53.9%0.0% conv. - **haven lock**4K/yr-31.1%0.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/nightlock/search-terms)
## **Top nightlock products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$5K30%$11K45%$16K60%$21K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Security Lock Door Brace Security Barricade House Double Safety Security Protection for blemished Door Standard Doors French Doors and Barricade All Your Doors - Dark Bronze.**FLYINGAMZ**$29.28**4.6★1,164 rev](https://www.amazon.com/dp/B07D6KDF4Y) [2**Nightlock Door Barricade-Security Lock Brace Heavy Duty Door Brace Suitable for All Types of Internal Doors Door Stoppers Securit**JXQAZC**$29.21**0.0★0 rev](https://www.amazon.com/dp/B0GZ2KKTTJ) [3**Yaocom 2 Pcs Security Lock Door Brace French Door Barricade Double House Safety Protection Devices for Nighttime Home Fits Standard Blemished French Doors-Black**Yaocom**$43.35**4.7★20 rev](https://www.amazon.com/dp/B0CN8W255W) [4**Security Lock Door Brace - Heavy Duty Aluminum Alloy Door Lock Barricade - Front Door Security Barricade for Inward Blemished Door Standard Doors French Doors - Security Brace for Door**LEVENDOR**$25.08**4.6★31 rev](https://www.amazon.com/dp/B0D7PSSNDL) [5**Steinwhale Door Reinforcement Lock 2PACK Home Security Door Lock Withstands 800 lbs Childproof Top Door Lock Latch for Toddlers Safety Inside Night Defender for Inward Swinging Doors**Steinwhale**$24.32**4.7★1,108 rev](https://www.amazon.com/dp/B0B77ZMQLQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Nightlock Door Barricade-Security Lock Brace Heavy Duty Door Brace Suitable for All Types of Internal Doors Door Stoppers Securit**JXQAZC**$29.21**0 rev2mo ago](https://www.amazon.com/dp/B0GZ2KKTTJ) [**Lock Door Brace Double Safety Protection French Security Door Brace Residential Door Lock Barricade Black-Door Barricade Security Lock Door Brace Fits Blemished Door Standard Doors French Doors**Yingsi-fty**$24.71**20 rev2y ago](https://www.amazon.com/dp/B0D83575W5) [**Security Lock Door Brace - Heavy Duty Aluminum Alloy Door Lock Barricade - Front Door Security Barricade for Inward Blemished Door Standard Doors French Doors - Security Brace for Door**LEVENDOR**$25.08**31 rev2y ago](https://www.amazon.com/dp/B0D7PSSNDL) [**Yaocom 2 Pcs Security Lock Door Brace French Door Barricade Double House Safety Protection Devices for Nighttime Home Fits Standard Blemished French Doors-Black**Yaocom**$43.35**20 rev2y ago](https://www.amazon.com/dp/B0CN8W255W) [**Steinwhale Door Reinforcement Lock 2PACK Home Security Door Lock Withstands 800 lbs Childproof Top Door Lock Latch for Toddlers Safety Inside Night Defender for Inward Swinging Doors**Steinwhale**$24.32**1,108 rev4y ago](https://www.amazon.com/dp/B0B77ZMQLQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nightlock Door Barricade-Security Lock Brace Heavy Duty Door Brace Suitable for All Types of Internal Doors Door Stoppers Securit**JXQAZC**$29.21**0.0★**▲ 259%**](https://www.amazon.com/dp/B0GZ2KKTTJ) [**Steinwhale Door Reinforcement Lock 2PACK Home Security Door Lock Withstands 800 lbs Childproof Top Door Lock Latch for Toddlers Safety Inside Night Defender for Inward Swinging Doors**Steinwhale**$24.32**4.7★**▲ 171%**](https://www.amazon.com/dp/B0B77ZMQLQ) [**Home Security Door Lock Blemish Door Barricade Brace Garage Front Door Barricade Lock for Your Double Doors Standard Doors and French Doors - Gold**FLYINGAMZ**$26.32**4.6★**▲ 33%**](https://www.amazon.com/dp/B07D6LP1XH) [**Yaocom 2 Pcs Security Lock Door Brace French Door Barricade Double House Safety Protection Devices for Nighttime Home Fits Standard Blemished French Doors-Black**Yaocom**$43.35**4.7★**— 4%**](https://www.amazon.com/dp/B0CN8W255W) [**Home Security Door Lock Reinforcement - Child Proof High Security Door Locks with 3 Stop Withstand 800 lbs for Inward Swinging Front Door Night Kids Safety Metal Flip Deadbolt Latch Defend Home**WINONLY**$10.00**4.6★**— 3%**](https://www.amazon.com/dp/B07R2C5GC7)
**~~View all trending →~~**
## **What buyers say about nightlock**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Locking Mechanism**19%
*“Door Lock”*
**Assembly/Installation**17%
*“Easy to setup”*
**Security**14%
*“Solid security”*
**Quality-Overall**13%
*“Good quality, easy to install and works as advertised”*
**Strength**10%
*“Easy install and Sturdy”*
**Advertised Vs Actual Product**5%
*“Works as advertised”*
**Ease Of Use**4%
*“Easy to use”*
**Efficiency**4%
*“Works/Effective”*
**Value For Money**3%
*“The price is right”*
**Durability**2%
*“Durable”*
### **What buyers complain about **
**Functionality-Overall**22%
*“Did not work”*
**Size-Overall**13%
*“It doesnt fit all doors”*
**Locking Mechanism**10%
*“So the lock will not lock”*
**Assembly/Installation**7%
*“Little finicky to install”*
**Quality-Overall**7%
*“the ones they sent are garbage”*
**Compatibility-Overall**4%
*“don't fit French doors”*
**Value For Money**3%
*“its an additional cost to others”*
**Hard Feel**3%
*“was the absolute hardest home project Ive had to date”*
**Advertised Vs Actual Product**3%
*“Wasn't actually doing what it intended”*
**Instructions/User Manual/Troubleshooting**2%
*“No directions”*
### **Top return reasons **
**Size-Overall**38%
**Compatibility-Overall**19%
**Functionality-Overall**9%
**Locking Mechanism**8%
**Advertised Vs Actual Product**4%
**Assembly/Installation**4%
**Value For Money**3%
**Color**3%
**Mechanism Issues**2%
**Defective Material/Parts**2%
## **Common questions**
- **Is nightlock profitable to sell on Amazon United States?**
- The niche generates $35K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -33.3%. Flapen's verdict: Skip it (29/100).
- **How competitive is the nightlock niche?**
- 9 brands and 12 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in nightlock?**
- Top complaints mined from reviews: Functionality-Overall, Size-Overall, Locking Mechanism. The return rate is 5.1% — above our launch gate.
- **When does demand for nightlock peak?**
- Demand peaks in Sep–Oct; the busiest month runs 3.1× the quietest.
- **What does it cost to enter the nightlock niche?**
- Listings span $10.00–$43.35; the average listing price is $24.81 (sweet spot $15–$100). The average incumbent carries 1,761 reviews — the moat a new listing must climb.
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